What is this algae from?

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dromo2189

Aquarium Advice Freak
Joined
Dec 1, 2016
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250
Hello had a 55 gallon tank for about 6 months. What can this algae be from?Image1504819534.352230.jpg
 
Cyano. It's from excess nutrients in the system and low flow. Cut way back on feeding and increase your water changes using ro/di water to ensure your not adding to the problem
 
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